There exists a smaller but very real segment of the market who wishes to have the power of their desktop computer in a smaller and slightly more portable package. Perhaps they desire to have the coolest single-object computing device at their LAN party? Whatever their reasons, they are served by companies like MAINGEAR who regularly provide new and better models for their choosing.

Mobile GPUs in SLi -- not common, not unheard of, but probably a good idea for 3D.

On their product page, they have yet to update the technical specifications as of this posting. The updated ones from their press release are as follows: